Aircraft



FIG. 1 is a perspective view showing the top, left side and front of an aircraft;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings depicting portions of the aircraft that form no part of the claim. 

CLAIM The ornamental design for an aircraft, as shown and described. 